A new gaseous cavitation model in a tilting-pad journal bearing

نویسندگان

چکیده

With the higher rotational speeds and loads in bearings, gaseous cavitation becomes more cannot be ignorable bearing designs. However, there is no enough research non-equilibrium model. This paper builds a new model based on Bunsen solubility bubble dynamics. The equilibrium pressure calculated by local its difference with decides mass transfer rate this for cavitation. A titling-pad journal at 3000 rpm under 299 kN load chosen as object an original applied. As minimum film thickness force balance, performs better accordance experiment than According to multiphase distributions film, can simulate processes of dissolution high speed, which close physical process. developed applied successfully tilting-pad bearings simulating

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Cavitation Effects on the Stability of a Submerged Journal Bearing

Follow this and additional works at: http://engagedscholarship.csuohio.edu/enme_facpub Part of the Mechanical Engineering Commons How does access to this work benefit you? Let us know! Publisher's Statement Copyright © 2004 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and ...

متن کامل

A Study of the Thermal Characteristics of the Leading Edge Groove and Conventional Tilting Pad Journal Bearings

Kingsbury, Inc., Philadelphia, PA 19154 In this paper dealing with the tilting pad journal bearing, experim'ental results are presented which show that, at higher shaft speeds, the leading-edge-groove (LEG) design has significantly lower operating temperatures to those of the conventional design of tilting pad journal bearing. Subsequent theoretical analysis has shown that this reduction in pad...

متن کامل

On a mathematical model of journal bearing lubrication

We consider the steady motion of an incompressible fluid whose viscosity depends on the pressure and the shear rate. The system is completed by suitable boundary conditions involving nonhomogeneous Dirichlet, Navier’s slip and inflow/outflow parts. We prove the existence of weak solutions and show that the resulting level of the pressure is fixed by the boundary conditions. The problem is motiv...

متن کامل

A comparative analysis of clinging ability among pad-bearing lizards

We examined clinging ability, subdigital pad area and body mass in 14 pad-bearing lizard species from three families to test three predictions: (1) clinging ability and pad area should be tightly correlated among species; (2) pad area and clinging ability should scale similarly to body mass among 14 species; and (3) functional similarity in clinging capabilities should exist among species despi...

متن کامل

Mixed Lubrication of Coupled Journal-Thrust-Bearing Systems Including Mass Conserving Cavitation

A mixed lubrication model is developed to investigate the lubrication of coupled journalthrust-bearing systems. The governing equations are mapped into a computational domain with a conformal mapping technique developed in a previous study by Wang et al. (2002). In order to study the influence of the boundary conditions on the performance of the bearing system, either the Reynolds boundary cond...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Science Progress

سال: 2021

ISSN: ['0036-8504', '2047-7163']

DOI: https://doi.org/10.1177/00368504211029431